/**
 * jscolor, JavaScript Color Picker
 *
 * @version 1.3.13
 * @license GNU Lesser General Public License, http://www.gnu.org/copyleft/lesser.html
 * @author  Jan Odvarko, http://odvarko.cz
 * @created 2008-06-15
 * @updated 2012-01-19
 * @link    http://jscolor.com
 */


var jscolor = {


    dir : '', // location of jscolor directory (leave empty to autodetect)
    bindClass : 'color', // class name
    binding : true, // automatic binding via <input class="...">
    preloading : true, // use image preloading?


    install : function() {
        //jscolor.addEvent(window, 'load', jscolor.init);
    },


    init : function() {
        if(jscolor.preloading) {
            jscolor.preload();
        }
    },


    getDir : function() {
        if(!jscolor.dir) {
            var detected = jscolor.detectDir();
            jscolor.dir = detected!==false ? detected : 'jscolor/';
        }
        return jscolor.dir;
    },


    detectDir : function() {
        var base = location.href;

        var e = document.getElementsByTagName('base');
        for(var i=0; i<e.length; i+=1) {
            if(e[i].href) { base = e[i].href; }
        }

        var e = document.getElementsByTagName('script');
        for(var i=0; i<e.length; i+=1) {
            if(e[i].src && /(^|\/)jscolor\.js([?#].*)?$/i.test(e[i].src)) {
                var src = new jscolor.URI(e[i].src);
                var srcAbs = src.toAbsolute(base);
                srcAbs.path = srcAbs.path.replace(/[^\/]+$/, ''); // remove filename
                srcAbs.query = null;
                srcAbs.fragment = null;
                return srcAbs.toString();
            }
        }
        return false;
    },

    preload : function() {
        for(var fn in jscolor.imgRequire) {
            if(jscolor.imgRequire.hasOwnProperty(fn)) {
                jscolor.loadImage(fn);
            }
        }
    },


    images : {
        pad : [ 181, 101 ],
        sld : [ 16, 101 ],
        cross : [ 15, 15 ],
        arrow : [ 7, 11 ]
    },


    imgRequire : {},
    imgLoaded : {},


    requireImage : function(filename) {
        jscolor.imgRequire[filename] = true;
    },


    loadImage : function(filename) {
        if(!jscolor.imgLoaded[filename]) {
            jscolor.imgLoaded[filename] = new Image();
            jscolor.imgLoaded[filename].src = jscolor.getDir()+filename;
        }
    },


    fetchElement : function(mixed) {
        return typeof mixed === 'string' ? document.getElementById(mixed) : mixed;
    },


    addEvent : function(el, evnt, func) {
        if(el.addEventListener) {
            el.addEventListener(evnt, func, false);
        } else if(el.attachEvent) {
            el.attachEvent('on'+evnt, func);
        }
    },


    fireEvent : function(el, evnt) {
        if(!el) {
            return;
        }
        if(document.createEvent) {
            var ev = document.createEvent('HTMLEvents');
            ev.initEvent(evnt, true, true);
            el.dispatchEvent(ev);
        } else if(document.createEventObject) {
            var ev = document.createEventObject();
            el.fireEvent('on'+evnt, ev);
        } else if(el['on'+evnt]) { // alternatively use the traditional event model (IE5)
            el['on'+evnt]();
        }
    },


    getElementPos : function(e) {
        var e1=e, e2=e;
        var x=0, y=0;
        if(e1.offsetParent) {
            do {
                x += e1.offsetLeft;
                y += e1.offsetTop;
            } while(e1 = e1.offsetParent);
        }
        while((e2 = e2.parentNode) && e2.nodeName.toUpperCase() !== 'BODY') {
            x -= e2.scrollLeft;
            y -= e2.scrollTop;
        }
        return [x, y];
    },


    getElementSize : function(e) {
        return [e.offsetWidth, e.offsetHeight];
    },


    getRelMousePos : function(e) {
        var x = 0, y = 0;
        if (!e) { e = window.event; }
        if (typeof e.offsetX === 'number') {
            x = e.offsetX;
            y = e.offsetY;
        } else if (typeof e.layerX === 'number') {
            x = e.layerX;
            y = e.layerY;
        }
        return { x: x, y: y };
    },


    getViewPos : function() {
        if(typeof window.pageYOffset === 'number') {
            return [window.pageXOffset, window.pageYOffset];
        } else if(document.body && (document.body.scrollLeft || document.body.scrollTop)) {
            return [document.body.scrollLeft, document.body.scrollTop];
        } else if(document.documentElement && (document.documentElement.scrollLeft || document.documentElement.scrollTop)) {
            return [document.documentElement.scrollLeft, document.documentElement.scrollTop];
        } else {
            return [0, 0];
        }
    },


    getViewSize : function() {
        if(typeof window.innerWidth === 'number') {
            return [window.innerWidth, window.innerHeight];
        } else if(document.body && (document.body.clientWidth || document.body.clientHeight)) {
            return [document.body.clientWidth, document.body.clientHeight];
        } else if(document.documentElement && (document.documentElement.clientWidth || document.documentElement.clientHeight)) {
            return [document.documentElement.clientWidth, document.documentElement.clientHeight];
        } else {
            return [0, 0];
        }
    },


    URI : function(uri) { // See RFC3986

        this.scheme = null;
        this.authority = null;
        this.path = '';
        this.query = null;
        this.fragment = null;

        this.parse = function(uri) {
            var m = uri.match(/^(([A-Za-z][0-9A-Za-z+.-]*)(:))?((\/\/)([^\/?#]*))?([^?#]*)((\?)([^#]*))?((#)(.*))?/);
            this.scheme = m[3] ? m[2] : null;
            this.authority = m[5] ? m[6] : null;
            this.path = m[7];
            this.query = m[9] ? m[10] : null;
            this.fragment = m[12] ? m[13] : null;
            return this;
        };

        this.toString = function() {
            var result = '';
            if(this.scheme !== null) { result = result + this.scheme + ':'; }
            if(this.authority !== null) { result = result + '//' + this.authority; }
            if(this.path !== null) { result = result + this.path; }
            if(this.query !== null) { result = result + '?' + this.query; }
            if(this.fragment !== null) { result = result + '#' + this.fragment; }
            return result;
        };

        this.toAbsolute = function(base) {
            var base = new jscolor.URI(base);
            var r = this;
            var t = new jscolor.URI;

            if(base.scheme === null) { return false; }

            if(r.scheme !== null && r.scheme.toLowerCase() === base.scheme.toLowerCase()) {
                r.scheme = null;
            }

            if(r.scheme !== null) {
                t.scheme = r.scheme;
                t.authority = r.authority;
                t.path = removeDotSegments(r.path);
                t.query = r.query;
            } else {
                if(r.authority !== null) {
                    t.authority = r.authority;
                    t.path = removeDotSegments(r.path);
                    t.query = r.query;
                } else {
                    if(r.path === '') { // TODO: == or === ?
                        t.path = base.path;
                        if(r.query !== null) {
                            t.query = r.query;
                        } else {
                            t.query = base.query;
                        }
                    } else {
                        if(r.path.substr(0,1) === '/') {
                            t.path = removeDotSegments(r.path);
                        } else {
                            if(base.authority !== null && base.path === '') { // TODO: == or === ?
                                t.path = '/'+r.path;
                            } else {
                                t.path = base.path.replace(/[^\/]+$/,'')+r.path;
                            }
                            t.path = removeDotSegments(t.path);
                        }
                        t.query = r.query;
                    }
                    t.authority = base.authority;
                }
                t.scheme = base.scheme;
            }
            t.fragment = r.fragment;

            return t;
        };

        function removeDotSegments(path) {
            var out = '';
            while(path) {
                if(path.substr(0,3)==='../' || path.substr(0,2)==='./') {
                    path = path.replace(/^\.+/,'').substr(1);
                } else if(path.substr(0,3)==='/./' || path==='/.') {
                    path = '/'+path.substr(3);
                } else if(path.substr(0,4)==='/../' || path==='/..') {
                    path = '/'+path.substr(4);
                    out = out.replace(/\/?[^\/]*$/, '');
                } else if(path==='.' || path==='..') {
                    path = '';
                } else {
                    var rm = path.match(/^\/?[^\/]*/)[0];
                    path = path.substr(rm.length);
                    out = out + rm;
                }
            }
            return out;
        }

        if(uri) {
            this.parse(uri);
        }

    },


    /*
     * Usage example:
     * var myColor = new jscolor.color(myInputElement)
     */

    color : function(target, prop) {


        this.required = true; // refuse empty values?
        this.adjust = true; // adjust value to uniform notation?
        this.hash = false; // prefix color with # symbol?
        this.caps = true; // uppercase?
        this.slider = true; // show the value/saturation slider?
        this.valueElement = target; // value holder
        this.styleElement = target; // where to reflect current color
        this.onImmediateChange = null; // onchange callback (can be either string or function)
        this.hsv = [0, 0, 1]; // read-only  0-6, 0-1, 0-1
        this.rgb = [1, 1, 1]; // read-only  0-1, 0-1, 0-1

        this.pickerOnfocus = true; // display picker on focus?
        this.pickerMode = 'HSV'; // HSV | HVS
        this.pickerPosition = 'bottom'; // left | right | top | bottom
        this.pickerSmartPosition = true; // automatically adjust picker position when necessary
        this.pickerButtonHeight = 20; // px
        this.pickerClosable = false;
        this.pickerCloseText = 'Close';
        this.pickerButtonColor = 'ButtonText'; // px
        this.pickerFace = 0; // px
        this.pickerFaceColor = 'ThreeDFace'; // CSS color
        this.pickerBorder = 1; // px
        this.pickerBorderColor = 'ThreeDHighlight ThreeDShadow ThreeDShadow ThreeDHighlight'; // CSS color
        this.pickerInset = 1; // px
        this.pickerInsetColor = 'ThreeDShadow ThreeDHighlight ThreeDHighlight ThreeDShadow'; // CSS color
        this.pickerZIndex = 10000;


        for(var p in prop) {
            if(prop.hasOwnProperty(p)) {
                this[p] = prop[p];
            }
        }


        this.hidePicker = function() {
            if(isPickerOwner()) {
                removePicker();
            }
        };


        this.showPicker = function() {
            if(!isPickerOwner()) {
                var tp = jscolor.getElementPos(target); // target pos
                var ts = jscolor.getElementSize(target); // target size
                var vp = jscolor.getViewPos(); // view pos
                var vs = jscolor.getViewSize(); // view size
                var ps = getPickerDims(this); // picker size
                var a, b, c;
                switch(this.pickerPosition.toLowerCase()) {
                    case 'left': a=1; b=0; c=-1; break;
                    case 'right':a=1; b=0; c=1; break;
                    case 'top':  a=0; b=1; c=-1; break;
                    default:     a=0; b=1; c=1; break;
                }
                var l = (ts[b]+ps[b])/2;

                // picker pos
                if (!this.pickerSmartPosition) {
                    var pp = [
                        tp[a],
                        tp[b]+ts[b]-l+l*c
                    ];
                } else {
                    var pp = [
                        -vp[a]+tp[a]+ps[a] > vs[a] ?
                            (-vp[a]+tp[a]+ts[a]/2 > vs[a]/2 && tp[a]+ts[a]-ps[a] >= 0 ? tp[a]+ts[a]-ps[a] : tp[a]) :
                            tp[a],
                        -vp[b]+tp[b]+ts[b]+ps[b]-l+l*c > vs[b] ?
                            (-vp[b]+tp[b]+ts[b]/2 > vs[b]/2 && tp[b]+ts[b]-l-l*c >= 0 ? tp[b]+ts[b]-l-l*c : tp[b]+ts[b]-l+l*c) :
                            (tp[b]+ts[b]-l+l*c >= 0 ? tp[b]+ts[b]-l+l*c : tp[b]+ts[b]-l-l*c)
                    ];
                }
                drawPicker(0, 0);
            }
        };


        this.importColor = function() {
            if(!valueElement) {
                this.exportColor();
            } else {
                if(!this.adjust) {
                    if(!this.fromString(valueElement.value, leaveValue)) {
                        styleElement.style.backgroundImage = styleElement.jscStyle.backgroundImage;
                        styleElement.style.backgroundColor = styleElement.jscStyle.backgroundColor;
                        styleElement.style.color = styleElement.jscStyle.color;
                        this.exportColor(leaveValue | leaveStyle);
                    }
                } else if(!this.required && /^\s*$/.test(valueElement.value)) {
                    valueElement.value = '';
                    styleElement.style.backgroundImage = styleElement.jscStyle.backgroundImage;
                    styleElement.style.backgroundColor = styleElement.jscStyle.backgroundColor;
                    styleElement.style.color = styleElement.jscStyle.color;
                    this.exportColor(leaveValue | leaveStyle);

                } else if(this.fromString(valueElement.value)) {
                    // OK
                } else {
                    this.exportColor();
                }
            }
        };


        this.exportColor = function(flags) {
            if(!(flags & leaveValue) && valueElement) {
                var value = this.toString();
                if(this.caps) { value = value.toUpperCase(); }
                if(this.hash) { value = '#'+value; }
                valueElement.value = value;
            }
            if(!(flags & leaveStyle) && styleElement) {
                styleElement.style.backgroundImage = "none";
                styleElement.style.backgroundColor =
                    '#'+this.toString();
                styleElement.style.color =
                    0.213 * this.rgb[0] +
                    0.715 * this.rgb[1] +
                    0.072 * this.rgb[2]
                    < 0.5 ? '#FFF' : '#000';
            }
            if(!(flags & leavePad) && isPickerOwner()) {
                redrawPad();
            }
            if(!(flags & leaveSld) && isPickerOwner()) {
                redrawSld();
            }
        };


        this.fromHSV = function(h, s, v, flags) { // null = don't change
            h<0 && (h=0) || h>6 && (h=6);
            s<0 && (s=0) || s>1 && (s=1);
            v<0 && (v=0) || v>1 && (v=1);
            this.rgb = HSV_RGB(
                h===null ? this.hsv[0] : (this.hsv[0]=h),
                s===null ? this.hsv[1] : (this.hsv[1]=s),
                v===null ? this.hsv[2] : (this.hsv[2]=v)
            );
            this.exportColor(flags);
        };


        this.fromRGB = function(r, g, b, flags) { // null = don't change
            r<0 && (r=0) || r>1 && (r=1);
            g<0 && (g=0) || g>1 && (g=1);
            b<0 && (b=0) || b>1 && (b=1);
            var hsv = RGB_HSV(
                r===null ? this.rgb[0] : (this.rgb[0]=r),
                g===null ? this.rgb[1] : (this.rgb[1]=g),
                b===null ? this.rgb[2] : (this.rgb[2]=b)
            );
            if(hsv[0] !== null) {
                this.hsv[0] = hsv[0];
            }
            if(hsv[2] !== 0) {
                this.hsv[1] = hsv[1];
            }
            this.hsv[2] = hsv[2];
            this.exportColor(flags);
        };


        this.fromString = function(hex, flags) {
            var m = hex.match(/^\W*([0-9A-F]{3}([0-9A-F]{3})?)\W*$/i);
            if(!m) {
                return false;
            } else {
                if(m[1].length === 6) { // 6-char notation
                    this.fromRGB(
                        parseInt(m[1].substr(0,2),16) / 255,
                        parseInt(m[1].substr(2,2),16) / 255,
                        parseInt(m[1].substr(4,2),16) / 255,
                        flags
                    );
                } else { // 3-char notation
                    this.fromRGB(
                        parseInt(m[1].charAt(0)+m[1].charAt(0),16) / 255,
                        parseInt(m[1].charAt(1)+m[1].charAt(1),16) / 255,
                        parseInt(m[1].charAt(2)+m[1].charAt(2),16) / 255,
                        flags
                    );
                }
                return true;
            }
        };


        this.toString = function() {
            return (
                (0x100 | Math.round(255*this.rgb[0])).toString(16).substr(1) +
                (0x100 | Math.round(255*this.rgb[1])).toString(16).substr(1) +
                (0x100 | Math.round(255*this.rgb[2])).toString(16).substr(1)
            );
        };


        function RGB_HSV(r, g, b) {
            var n = Math.min(Math.min(r,g),b);
            var v = Math.max(Math.max(r,g),b);
            var m = v - n;
            if(m === 0) { return [ null, 0, v ]; }
            var h = r===n ? 3+(b-g)/m : (g===n ? 5+(r-b)/m : 1+(g-r)/m);
            return [ h===6?0:h, m/v, v ];
        }


        function HSV_RGB(h, s, v) {
            if(h === null) { return [ v, v, v ]; }
            var i = Math.floor(h);
            var f = i%2 ? h-i : 1-(h-i);
            var m = v * (1 - s);
            var n = v * (1 - s*f);
            switch(i) {
                case 6:
                case 0: return [v,n,m];
                case 1: return [n,v,m];
                case 2: return [m,v,n];
                case 3: return [m,n,v];
                case 4: return [n,m,v];
                case 5: return [v,m,n];
            }
        }


        function removePicker() {
            delete jscolor.picker.owner;
            document.getElementsByTagName('body')[0].removeChild(jscolor.picker.boxB);
        }


        function drawPicker(x, y) {
            if(!jscolor.picker) {
                jscolor.picker = {
                    box : document.createElement('div'),
                    boxB : document.createElement('div'),
                    pad : document.createElement('div'),
                    padB : document.createElement('div'),
                    padM : document.createElement('div'),
                    sld : document.createElement('div'),
                    sldB : document.createElement('div'),
                    sldM : document.createElement('div'),
                    btn : document.createElement('div'),
                    btnS : document.createElement('span'),
                    btnT : document.createTextNode(THIS.pickerCloseText)
                };
                for(var i=0,segSize=4; i<jscolor.images.sld[1]; i+=segSize) {
                    var seg = document.createElement('div');
                    seg.style.height = segSize+'px';
                    seg.style.fontSize = '1px';
                    seg.style.lineHeight = '0';
                    jscolor.picker.sld.appendChild(seg);
                }
                jscolor.picker.sldB.appendChild(jscolor.picker.sld);
                jscolor.picker.box.appendChild(jscolor.picker.sldB);
                jscolor.picker.box.appendChild(jscolor.picker.sldM);
                jscolor.picker.padB.appendChild(jscolor.picker.pad);
                jscolor.picker.box.appendChild(jscolor.picker.padB);
                jscolor.picker.box.appendChild(jscolor.picker.padM);
                jscolor.picker.btnS.appendChild(jscolor.picker.btnT);
                jscolor.picker.btn.appendChild(jscolor.picker.btnS);
                jscolor.picker.box.appendChild(jscolor.picker.btn);
                jscolor.picker.boxB.appendChild(jscolor.picker.box);
            }

            var p = jscolor.picker;

            // controls interaction
            p.box.onmouseup =
                p.box.onmouseout = function() { if (!mxClient.IS_TOUCH) { target.focus(); } };
            p.box.onmousedown = function() { abortBlur=true; };
            p.box.onmousemove = function(e) {
                if (holdPad || holdSld) {
                    holdPad && setPad(e);
                    holdSld && setSld(e);
                    if (document.selection) {
                        document.selection.empty();
                    } else if (window.getSelection) {
                        window.getSelection().removeAllRanges();
                    }
                    dispatchImmediateChange();
                }
            };
            p.padM.onmouseup =
                p.padM.onmouseout = function() { if(holdPad) { holdPad=false; jscolor.fireEvent(valueElement,'change'); } };
            p.padM.onmousedown = function(e) {
                // if the slider is at the bottom, move it up
                switch(modeID) {
                    case 0: if (THIS.hsv[2] === 0) { THIS.fromHSV(null, null, 1.0); }; break;
                    case 1: if (THIS.hsv[1] === 0) { THIS.fromHSV(null, 1.0, null); }; break;
                }
                holdPad=true;
                setPad(e);
                dispatchImmediateChange();
            };
            p.sldM.onmouseup =
                p.sldM.onmouseout = function() { if(holdSld) { holdSld=false; jscolor.fireEvent(valueElement,'change'); } };
            p.sldM.onmousedown = function(e) {
                holdSld=true;
                setSld(e);
                dispatchImmediateChange();
            };

            // picker
            var dims = getPickerDims(THIS);
            p.box.style.width = dims[0] + 'px';
            p.box.style.height = dims[1] + 'px';

            // picker border
            p.boxB.style.position = 'absolute';
            p.boxB.style.clear = 'both';
            p.boxB.style.left = x+'px';
            p.boxB.style.top = y+'px';
            p.boxB.style.zIndex = THIS.pickerZIndex;
            p.boxB.style.border = THIS.pickerBorder+'px solid';
            p.boxB.style.borderColor = THIS.pickerBorderColor;
            p.boxB.style.background = THIS.pickerFaceColor;

            // pad image
            p.pad.style.width = jscolor.images.pad[0]+'px';
            p.pad.style.height = jscolor.images.pad[1]+'px';

            // pad border
            p.padB.style.position = 'absolute';
            p.padB.style.left = THIS.pickerFace+'px';
            p.padB.style.top = THIS.pickerFace+'px';
            p.padB.style.border = THIS.pickerInset+'px solid';
            p.padB.style.borderColor = THIS.pickerInsetColor;

            // pad mouse area
            p.padM.style.position = 'absolute';
            p.padM.style.left = '0';
            p.padM.style.top = '0';
            p.padM.style.width = THIS.pickerFace + 2*THIS.pickerInset + jscolor.images.pad[0] + jscolor.images.arrow[0] + 'px';
            p.padM.style.height = p.box.style.height;
            p.padM.style.cursor = 'crosshair';

            // slider image
            p.sld.style.overflow = 'hidden';
            p.sld.style.width = jscolor.images.sld[0]+'px';
            p.sld.style.height = jscolor.images.sld[1]+'px';

            // slider border
            p.sldB.style.display = THIS.slider ? 'block' : 'none';
            p.sldB.style.position = 'absolute';
            p.sldB.style.right = THIS.pickerFace+'px';
            p.sldB.style.top = THIS.pickerFace+'px';
            p.sldB.style.border = THIS.pickerInset+'px solid';
            p.sldB.style.borderColor = THIS.pickerInsetColor;

            // slider mouse area
            p.sldM.style.display = THIS.slider ? 'block' : 'none';
            p.sldM.style.position = 'absolute';
            p.sldM.style.right = '0';
            p.sldM.style.top = '0';
            p.sldM.style.width = jscolor.images.sld[0] + jscolor.images.arrow[0] + THIS.pickerFace + 2*THIS.pickerInset + 'px';
            p.sldM.style.height = p.box.style.height;
            try {
                p.sldM.style.cursor = 'pointer';
            } catch(eOldIE) {
                p.sldM.style.cursor = 'hand';
            }

            // "close" button
            function setBtnBorder() {
                var insetColors = THIS.pickerInsetColor.split(/\s+/);
                var pickerOutsetColor = insetColors.length < 2 ? insetColors[0] : insetColors[1] + ' ' + insetColors[0] + ' ' + insetColors[0] + ' ' + insetColors[1];
                p.btn.style.borderColor = pickerOutsetColor;
            }
            p.btn.style.display = THIS.pickerClosable ? 'block' : 'none';
            p.btn.style.position = 'absolute';
            p.btn.style.left = THIS.pickerFace + 'px';
            p.btn.style.bottom = THIS.pickerFace + 'px';
            p.btn.style.padding = '0 15px';
            p.btn.style.height = '18px';
            p.btn.style.border = THIS.pickerInset + 'px solid';
            setBtnBorder();
            p.btn.style.color = THIS.pickerButtonColor;
            p.btn.style.font = '12px sans-serif';
            p.btn.style.textAlign = 'center';
            try {
                p.btn.style.cursor = 'pointer';
            } catch(eOldIE) {
                p.btn.style.cursor = 'hand';
            }
            p.btn.onmousedown = function () {
                THIS.hidePicker();
            };
            p.btnS.style.lineHeight = p.btn.style.height;

            // load images in optimal order
            switch(modeID) {
                case 0: var padImg = 'hs.png'; break;
                case 1: var padImg = 'hv.png'; break;
            }
            p.padM.style.backgroundImage = "url('"+jscolor.getDir()+"cross.gif')";
            p.padM.style.backgroundRepeat = "no-repeat";
            p.sldM.style.backgroundImage = "url('"+jscolor.getDir()+"arrow.gif')";
            p.sldM.style.backgroundRepeat = "no-repeat";
            p.pad.style.backgroundImage = "url('"+jscolor.getDir()+padImg+"')";
            p.pad.style.backgroundRepeat = "no-repeat";
            p.pad.style.backgroundPosition = "0 0";

            // place pointers
            redrawPad();
            redrawSld();

            jscolor.picker.owner = THIS;
            document.getElementsByTagName('body')[0].appendChild(p.boxB);
        }


        function getPickerDims(o) {
            var dims = [
                2*o.pickerInset + 2*o.pickerFace + jscolor.images.pad[0] +
                (o.slider ? 2*o.pickerInset + 2*jscolor.images.arrow[0] + jscolor.images.sld[0] : 0),
                o.pickerClosable ?
                    4*o.pickerInset + 3*o.pickerFace + jscolor.images.pad[1] + o.pickerButtonHeight :
                    2*o.pickerInset + 2*o.pickerFace + jscolor.images.pad[1]
            ];
            return dims;
        }


        function redrawPad() {
            // redraw the pad pointer
            switch(modeID) {
                case 0: var yComponent = 1; break;
                case 1: var yComponent = 2; break;
            }
            var x = Math.round((THIS.hsv[0]/6) * (jscolor.images.pad[0]-1));
            var y = Math.round((1-THIS.hsv[yComponent]) * (jscolor.images.pad[1]-1));
            jscolor.picker.padM.style.backgroundPosition =
                (THIS.pickerFace+THIS.pickerInset+x - Math.floor(jscolor.images.cross[0]/2)) + 'px ' +
                (THIS.pickerFace+THIS.pickerInset+y - Math.floor(jscolor.images.cross[1]/2)) + 'px';

            // redraw the slider image
            var seg = jscolor.picker.sld.childNodes;

            switch(modeID) {
                case 0:
                    var rgb = HSV_RGB(THIS.hsv[0], THIS.hsv[1], 1);
                    for(var i=0; i<seg.length; i+=1) {
                        seg[i].style.backgroundColor = 'rgb('+
                            (rgb[0]*(1-i/seg.length)*100)+'%,'+
                            (rgb[1]*(1-i/seg.length)*100)+'%,'+
                            (rgb[2]*(1-i/seg.length)*100)+'%)';
                    }
                    break;
                case 1:
                    var rgb, s, c = [ THIS.hsv[2], 0, 0 ];
                    var i = Math.floor(THIS.hsv[0]);
                    var f = i%2 ? THIS.hsv[0]-i : 1-(THIS.hsv[0]-i);
                    switch(i) {
                        case 6:
                        case 0: rgb=[0,1,2]; break;
                        case 1: rgb=[1,0,2]; break;
                        case 2: rgb=[2,0,1]; break;
                        case 3: rgb=[2,1,0]; break;
                        case 4: rgb=[1,2,0]; break;
                        case 5: rgb=[0,2,1]; break;
                    }
                    for(var i=0; i<seg.length; i+=1) {
                        s = 1 - 1/(seg.length-1)*i;
                        c[1] = c[0] * (1 - s*f);
                        c[2] = c[0] * (1 - s);
                        seg[i].style.backgroundColor = 'rgb('+
                            (c[rgb[0]]*100)+'%,'+
                            (c[rgb[1]]*100)+'%,'+
                            (c[rgb[2]]*100)+'%)';
                    }
                    break;
            }
        }


        function redrawSld() {
            // redraw the slider pointer
            switch(modeID) {
                case 0: var yComponent = 2; break;
                case 1: var yComponent = 1; break;
            }
            var y = Math.round((1-THIS.hsv[yComponent]) * (jscolor.images.sld[1]-1));
            jscolor.picker.sldM.style.backgroundPosition =
                '0 ' + (THIS.pickerFace+THIS.pickerInset+y - Math.floor(jscolor.images.arrow[1]/2)) + 'px';
        }


        function isPickerOwner() {
            return jscolor.picker && jscolor.picker.owner === THIS;
        }


        function blurTarget() {
            if(valueElement === target) {
                THIS.importColor();
            }
            if(THIS.pickerOnfocus) {
                THIS.hidePicker();
            }
        }


        function blurValue() {
            if(valueElement !== target) {
                THIS.importColor();
            }
        }


        function setPad(e) {
            var mpos = jscolor.getRelMousePos(e);
            var x = mpos.x - THIS.pickerFace - THIS.pickerInset;
            var y = mpos.y - THIS.pickerFace - THIS.pickerInset;
            switch(modeID) {
                case 0: THIS.fromHSV(x*(6/(jscolor.images.pad[0]-1)), 1 - y/(jscolor.images.pad[1]-1), null, leaveSld); break;
                case 1: THIS.fromHSV(x*(6/(jscolor.images.pad[0]-1)), null, 1 - y/(jscolor.images.pad[1]-1), leaveSld); break;
            }
        }


        function setSld(e) {
            var mpos = jscolor.getRelMousePos(e);
            var y = mpos.y - THIS.pickerFace - THIS.pickerInset;
            switch(modeID) {
                case 0: THIS.fromHSV(null, null, 1 - y/(jscolor.images.sld[1]-1), leavePad); break;
                case 1: THIS.fromHSV(null, 1 - y/(jscolor.images.sld[1]-1), null, leavePad); break;
            }
        }


        function dispatchImmediateChange() {
            if (THIS.onImmediateChange) {
                if (typeof THIS.onImmediateChange === 'string') {
                    eval(THIS.onImmediateChange);
                } else {
                    THIS.onImmediateChange(THIS);
                }
            }
        }


        var THIS = this;
        var modeID = this.pickerMode.toLowerCase()==='hvs' ? 1 : 0;
        var abortBlur = false;
        var
            valueElement = jscolor.fetchElement(this.valueElement),
            styleElement = jscolor.fetchElement(this.styleElement);
        var
            holdPad = false,
            holdSld = false;
        var
            leaveValue = 1<<0,
            leaveStyle = 1<<1,
            leavePad = 1<<2,
            leaveSld = 1<<3;

        // target
        /*jscolor.addEvent(target, 'focus', function() {
            if(THIS.pickerOnfocus) { THIS.showPicker(); }
        });
        jscolor.addEvent(target, 'blur', function() {
            if(!abortBlur) {
                window.setTimeout(function(){ abortBlur || blurTarget(); abortBlur=false; }, 0);
            } else {
                abortBlur = false;
            }
        });*/

        // valueElement
        if(valueElement) {
            var updateField = function() {
                THIS.fromString(valueElement.value, leaveValue);
                dispatchImmediateChange();
            };
            jscolor.addEvent(valueElement, 'keyup', updateField);
            jscolor.addEvent(valueElement, 'input', updateField);
            jscolor.addEvent(valueElement, 'blur', blurValue);
            valueElement.setAttribute('autocomplete', 'off');
        }

        // styleElement
        if(styleElement) {
            styleElement.jscStyle = {
                backgroundImage : styleElement.style.backgroundImage,
                backgroundColor : styleElement.style.backgroundColor,
                color : styleElement.style.color
            };
        }

        // require images
        switch(modeID) {
            case 0: jscolor.requireImage('hs.png'); break;
            case 1: jscolor.requireImage('hv.png'); break;
        }
        jscolor.requireImage('cross.gif');
        jscolor.requireImage('arrow.gif');

        this.importColor();
    }

};


jscolor.install();